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生物质煤气废水氨氮脱除的研究
Authors
吴创之
Publication date
1 January 2007
Publisher
Abstract
生物质煤气废水是一种新出现的高浓度氨氮有机废水。作者采用化学沉淀法去除该废水中的氨氮,研究了不同沉淀剂、pH、温度和搅拌时间对氨氮去除效果的影响。结果表明,MgCl2+Na3PO4·12H2O明显优于其他沉淀剂组合。当n(Mg^2+):n(NH4^+):n(PO4^3-)=1:1:1、pH10.0、温度30℃、搅拌时间30min时,废水中的氨氮质量浓度从处理前的222mg/L降到17mg/L,去除率为92.3%
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Institutional Repository of GuangZhou Institute of Energy Conversion, CAS
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Last time updated on 04/12/2021